<template>
  <div class="login-wrap">
    <div class="ms-login">
      <div class="ms-title">好学博客后台管理系统</div>
      <el-form
        :model="ruleForm"
        :rules="rules"
        ref="ruleForm"
        label-width="0px"
        class="ms-content"
      >
        <el-form-item prop="username">
          <el-input v-model="ruleForm.username" placeholder="username">
            <el-button slot="prepend" icon="el-icon-s-custom"></el-button>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            type="password"
            placeholder="password"
            v-model="ruleForm.password"
            @keyup.enter.native="submitForm('ruleForm')"
          >
            <el-button slot="prepend" icon="el-icon-lock"></el-button>
          </el-input>
        </el-form-item>
        <div class="login-btn">
          <el-button
            type="primary"
            @click="submitForm('ruleForm')"
            :loading="loginLoading"
          >登录
          </el-button
          >
        </div>
      </el-form>
    </div>
  </div>
</template>

<script>
  export default {
    data: function () {
      return {
        ruleForm: {
          username: 'admin',
          password: '111'
        },
        rules: {
          username: [
            {required: true, message: '请输入用户名', trigger: 'blur'}
          ],
          password: [{required: true, message: '请输入密码', trigger: 'blur'}]
        },
        loginLoading: false
      };
    },
    methods: {
      submitForm(formName) {
        this.$refs[formName].validate(valid => {
          if (valid) {
            this.loginLoading = true;
            let userInfo = {
              username: this.ruleForm.username,
              password: this.ruleForm.password
            };
            this.$store
              .dispatch('login', userInfo)
              .then(res => {
                //console.log(res);
                this.loginLoading = false;
                if (res.data.token) {
                  this.$message.success('登陆成功');
                  this.$router.push('/intro');
                } else {
                  this.$message.warning(res.msg);
                  this.loginLoading = false;
                }
              })
              .catch(err => {
                console.log(err);
                this.loginLoading = false;
                this.$message.warning(err.msg);
              });
          } else {
            console.log('error submit!!');
            return false;
          }
        });
      }
    }
  };
</script>

<style scoped>
  .login-wrap {
    position: relative;
    width: 100%;
    height: 100%;
  }

  .ms-title {
    width: 100%;
    line-height: 50px;
    text-align: center;
    font-size: 20px;
    color: #fff;
    border-bottom: 1px solid #ddd;
  }

  .ms-login {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 350px;
    margin: -190px 0 0 -175px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.3);
    overflow: hidden;
  }

  .ms-content {
    padding: 30px 30px;
  }

  .login-btn {
    text-align: center;
  }

  .login-btn button {
    width: 100%;
    height: 36px;
    margin-bottom: 10px;
  }
</style>
